/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ══ CUSTOM SCROLLBAR ══ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.03); border-radius: 10px; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, #7C6FF7, #5F52E0); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, #9B90FF, #7C6FF7); }
::-webkit-scrollbar-corner { background: transparent; }
* { scrollbar-width: thin; scrollbar-color: #7C6FF7 rgba(255,255,255,0.03); }

:root {
  --c-bg: #0D0E1A;
  --c-surface: rgba(255,255,255,0.04);
  --c-border: rgba(255,255,255,0.08);
  --c-border-focus: rgba(124,111,247,0.6);
  --c-text: #E8E9F3;
  --c-text-muted: #8B8FA8;
  --c-primary: #7C6FF7;
  --c-primary-dark: #5F52E0;
  --c-accent: #00D4FF;
  --c-error: #FF5E7A;
  --c-success: #00E59B;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 25px 60px rgba(0,0,0,0.5);
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== ANIMATED BACKGROUND ORBS ===== */
.bg-orbs {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: floatOrb 12s ease-in-out infinite;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #7C6FF7 0%, transparent 70%);
  top: -200px; right: -100px;
  animation-delay: 0s;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #00D4FF 0%, transparent 70%);
  bottom: -120px; left: -60px;
  animation-delay: -5s;
}
.orb-3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, #FF5E7A 0%, transparent 70%);
  top: 40%; right: 30%;
  animation-delay: -9s;
  opacity: 0.12;
}
@keyframes floatOrb {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

/* ===== PAGE WRAPPER ===== */
.page-wrapper {
  position: relative; z-index: 1;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

/* ===== FORM PANEL ===== */
.form-panel {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 28px;
  width: 100%;
  max-width: 960px;
}

/* ===== FORM CARD ===== */
.form-card {
  width: 100%;
  max-width: 460px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  animation: slideUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}
.form-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,111,247,0.5), transparent);
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== CARD LOGO ===== */
.card-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}
.logo-icon {
  width: 44px; height: 44px;
  background: rgba(124,111,247,0.15);
  border: 1px solid rgba(124,111,247,0.3);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-text {
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(135deg, #7C6FF7, #00D4FF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.4px;
}

.form-header { margin-bottom: 28px; }
.form-header h1 { font-size: 1.8rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.form-header p  { font-size: 0.9rem; color: var(--c-text-muted); }

/* ===== FORM ELEMENTS ===== */
.auth-form { display: flex; flex-direction: column; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }

.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.forgot-link {
  font-size: 0.8rem;
  color: var(--c-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.forgot-link:hover { color: var(--c-accent); }

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-text-muted);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 14px;
  width: 17px; height: 17px;
  color: var(--c-text-muted);
  pointer-events: none;
  transition: color var(--transition);
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 12px 14px 12px 42px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
input::placeholder { color: rgba(139,143,168,0.6); }
input:focus {
  border-color: var(--c-primary);
  background: rgba(124,111,247,0.07);
  box-shadow: 0 0 0 3px rgba(124,111,247,0.15);
}
.input-wrap:focus-within .input-icon { color: var(--c-primary); }
input.error { border-color: var(--c-error) !important; box-shadow: 0 0 0 3px rgba(255,94,122,0.12) !important; }

.toggle-pw {
  position: absolute; right: 14px;
  background: none; border: none; cursor: pointer;
  color: var(--c-text-muted); padding: 0;
  display: flex; align-items: center;
  transition: color var(--transition);
}
.toggle-pw:hover { color: var(--c-primary); }
.eye-icon { width: 18px; height: 18px; }

.field-error {
  font-size: 0.78rem; color: var(--c-error);
  min-height: 16px; display: block; font-weight: 500;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ===== REMEMBER ME ===== */
.remember-row { margin: 2px 0; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--c-text-muted);
  user-select: none;
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkmark {
  width: 18px; height: 18px;
  border: 1.5px solid var(--c-border);
  border-radius: 5px;
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  position: relative;
}
.checkbox-label input:checked + .checkmark {
  background: var(--c-primary);
  border-color: var(--c-primary);
}
.checkbox-label input:checked + .checkmark::after {
  content: '';
  width: 9px; height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  display: block;
}

/* ===== ALERT ===== */
.form-alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  animation: fadeIn 0.3s ease;
}
.form-alert.error { background: rgba(255,94,122,0.1); border-color: rgba(255,94,122,0.3); color: #FF8FA3; }
.form-alert.success { background: rgba(0,229,155,0.1); border-color: rgba(0,229,155,0.3); color: #00E59B; }
.hidden { display: none !important; }

/* ===== BUTTON ===== */
.btn-primary {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
  border: none; border-radius: var(--radius-sm);
  color: #fff; font-family: 'Inter', sans-serif;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 4px; letter-spacing: 0.2px;
}
.btn-primary::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(124,111,247,0.45); }
.btn-primary:hover::after { opacity: 1; }
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.65; cursor: not-allowed; }

.btn-loader {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== DIVIDER ===== */
.divider {
  display: flex; align-items: center; gap: 12px;
  margin: 22px 0 16px;
  color: var(--c-text-muted); font-size: 0.8rem;
}
.divider::before, .divider::after {
  content: ''; flex: 1; height: 1px;
  background: var(--c-border);
}

/* ===== DEMO HINT ===== */
.demo-hint {
  display: flex; align-items: center; gap: 9px;
  padding: 12px 15px;
  background: rgba(124,111,247,0.07);
  border: 1px solid rgba(124,111,247,0.18);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--c-text-muted);
  line-height: 1.5;
}
.demo-hint svg { color: var(--c-primary); flex-shrink: 0; }

/* ===== SWITCH LINK ===== */
.switch-link {
  text-align: center;
  margin-top: 20px;
  font-size: 0.875rem; color: var(--c-text-muted);
}
.switch-link a { color: var(--c-primary); text-decoration: none; font-weight: 600; transition: color var(--transition); }
.switch-link a:hover { color: var(--c-accent); text-decoration: underline; }

/* ===== SIDE FEATURE CARDS ===== */
.side-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 300px;
  animation: slideUp 0.5s 0.15s cubic-bezier(0.4, 0, 0.2, 1) both;
}
.side-feature-card {
  padding: 18px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: default;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.side-feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
  opacity: 0;
  transition: opacity var(--transition);
}
.side-feature-card.active, .side-feature-card:hover {
  background: rgba(124,111,247,0.07);
  border-color: rgba(124,111,247,0.25);
  transform: translateX(4px);
}
.side-feature-card.active::before, .side-feature-card:hover::before { opacity: 1; }

.sf-icon {
  width: 44px; height: 44px;
  background: rgba(124,111,247,0.13);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-primary);
  flex-shrink: 0;
}
.side-feature-card h3 { font-size: 0.9rem; font-weight: 600; color: var(--c-text); margin-bottom: 3px; }
.side-feature-card p  { font-size: 0.78rem; color: var(--c-text-muted); }

/* ===== TOAST ===== */
.toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(18,19,32,0.95);
  border: 1px solid var(--c-border);
  border-radius: 50px;
  padding: 12px 24px;
  font-size: 0.875rem; font-weight: 500; color: var(--c-text);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 9999; opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: nowrap; max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: rgba(0,229,155,0.4); color: var(--c-success); }
.toast.error   { border-color: rgba(255,94,122,0.4); color: var(--c-error); }

/* ===== RESPONSIVE ===== */
@media (max-width: 820px) {
  .side-features { display: none; }
  .form-card { max-width: 100%; }
  .form-panel { padding: 0; }
}
@media (max-width: 500px) {
  .form-card { padding: 32px 22px; border-radius: var(--radius-md); }
}